Quantitative Techniques - Statistics Is the Nerve Center for Operations Research Discuss

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Quantitative Techniques

1. a. “Statistics is the nerve center for Operations Research.” Discuss.

b. State any four areas for the application of OR techniques in Financial Management, how it improves the performance of the organization.

2. At the beginning of a month, a lady has Rs. 30,000 available in cash. She expects to receive certain revenues at the beginning of the months 1, 2, 3 and 4 and pay the bills after that, as detailed here:

3. What is degeneracy? How does the problem of degeneracy arise in a transportation problem? How can we deal with this problem?

4. Give the various sequencing models that are available for solving sequential problems. Give suitable examples.

5. A company has determined from its analysis of production and accounting data that, for a part number KC-438, the annual demand is equal to 10,000 units, the cost to purchase the item is Rs 36 per order, and the holding cost is Rs 2/unit/pear

a. What should the Economic Order Quantity be?

b. What is the optimum number of days supply per optimum order?

6. A TV repairman finds that the time spent on his jobs has an exponential distribution with a mean 30 minutes. If he repairs sets on the first-come-first-served basis and if the arrival of sets is with an average rate of 10 per 8-hour day, what is repairman’s expected idle time each day? Also obtain average number of units in the system.

7. What is critical path? State the necessary and sufficient conditions of critical path. Can a project have multiple critical paths?

8. Explain and illustrate the following principles of decision making:

a. Laplace b. Maximin c. Maximax d. Hurwicz e. Savage f. Expectation

9. A salesman makes all sales in three cities X, Y and Z only. It is known that he visits each city on a weekly basis and never...